Olympus CLV-180 - Automatic Brightness Failure

TroubleshootingCLV-180
2-12
ISSUE1
Pin 8：H
・High-brightness SP ScopeHigh brightness SP Scope Dummy
Pin 2：H
Pin 5：L
Pin 8：L
*H：approx. 5 V
NO：Replace Scope Sensor
Confirm following status of J8 when Brightness is set to manual and
light quantity from minimum to maximum:
J8
Pin 2 ：Voltage change minus to plus.
⑤
Iris Unit /
Main Board
1
YES：Replace Iris Unit
NO ：Replace Main Board
2-12 Automatic Brightness failure
View field is dark or excessively light
2-12-1 Estimated location of failure
No Estimated location failure Inspection Method
1 Light Source Cable
CV-180
Confirm connection to system capable of automatic Brightness.
CV-180
Light Source Cable
2 Manual Brightness failure Refer to 2-11
Confirm following status of J8 when scope move to the distance from
vicinity:
J8
Pin 2 ：Voltage change minus to plus.
3 Main Board
TES ：Replace Iris Unit
NO：Replace Main Board